[lkml]   [2010]   [Aug]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 2/5] virtio_blk: implement REQ_FLUSH/FUA support
On Mon, Aug 16, 2010 at 06:52:00PM +0200, Tejun Heo wrote:
> From: Tejun Heo <>
> Remove now unused REQ_HARDBARRIER support and implement REQ_FLUSH/FUA
> support instead. A new feature flag VIRTIO_BLK_F_FUA is added to
> indicate the support for FUA.

I'm not sure it's worth it. The pure REQ_FLUSH path works not and is
well tested with kvm/qemu. We can still easily add a FUA bit, and
even a pre-flush bit if the protocol roundtrips matter in real life

 \ /
  Last update: 2010-08-16 20:37    [W:0.170 / U:9.344 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site